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52003073512 = 2313500029553
BaseRepresentation
bin110000011011100111…
…111110110111101000
311222020011221211220201
4300123213332313220
51323000241323022
635520114201544
73520453555135
oct603347766750
9158204854821
1052003073512
1120066419905
12a0b38832b4
134b99a52020
14273478958c
151545663127
hexc1b9fede8

52003073512 has 16 divisors (see below), whose sum is σ = 105006206340. Its totient is φ = 24001418496.

The previous prime is 52003073503. The next prime is 52003073539. The reversal of 52003073512 is 21537030025.

It can be written as a sum of positive squares in 2 ways, for example, as 42876328356 + 9126745156 = 207066^2 + 95534^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250014673 + ... + 250014880.

Almost surely, 252003073512 is an apocalyptic number.

52003073512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52003073512 is an abundant number, since it is smaller than the sum of its proper divisors (53003132828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52003073512 is a wasteful number, since it uses less digits than its factorization.

52003073512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500029572 (or 500029568 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The spelling of 52003073512 in words is "fifty-two billion, three million, seventy-three thousand, five hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 500029553 1000059106 2000118212 4000236424 6500384189 13000768378 26001536756 52003073512